Workshop Technology In a four high rolling mill, there are four rolls out of which All of the four are working rolls Two are working rolls and two are backing up rolls One is working roll and three are backing up rolls Three are working rolls and one is backing up roll All of the four are working rolls Two are working rolls and two are backing up rolls One is working roll and three are backing up rolls Three are working rolls and one is backing up roll ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The draft or taper allowance on casting is generally 10 to 15 mm/m 2 to 5 mm/m 5 to 10 mm/m 1 to 2 mm/m 10 to 15 mm/m 2 to 5 mm/m 5 to 10 mm/m 1 to 2 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which occurs due to improper venting of sand is known as Shift Cold shuts Swell Blow holes Shift Cold shuts Swell Blow holes ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The recrystallisation temperature of steel is 600°C 400°C None of these 800°C 600°C 400°C None of these 800°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Green sand is a mixture of 50% sand and 50% clay 90% sand and 10% clay 30% sand and 70% clay 70% sand and 30% clay 50% sand and 50% clay 90% sand and 10% clay 30% sand and 70% clay 70% sand and 30% clay ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature of oxy-hydrogen flame is ________ oxyacetylene flame. More than Same as None of these Less than More than Same as None of these Less than ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS